您所在位置：主题：无法编译含自定义标签的jsp
飞猫
[专家分：0] 发布于 2005-08-06 23:03:00
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我的tld文件中的部分内容
<short-name>examples</short-name>
<uri>/demotag</uri>
<description>
A simple tab library for the examples
</description>
<tag>
<name>hello</name>
<tag-class>com.jspdev.ch14.HelloTag</tag-class>
<body-content>empty</body-content>
<description>
Simple hello world examples.
Takes no attribute,and simply generates HTML
</description>
</tag>
我的jsp文件:
<%@ taglib uri="/demotag" prefix="example" %>
<%@ page contentType="text/html; charset=gb2312" language="java" %>
<html>
<head>
<title>first cumstomed tag</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
</head>
<body>
<p>以下的内容从Taglib中显示：</p>
<p><i><example:hello/></i></p>
</body>
</html>
我的xml文件中的部分内容:
<taglib>
<taglib-uri>/demotag</taglib-uri>
<taglib-location>/WEB-INF/tlds/mytag.tld</taglib-location>
</taglib>
出错信息:
type Exception report
message
description The server encountered an internal error () that prevented it from fulfilling this request.
exception
org.apache.jasper.JasperException: File "/demotag" not found
org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:50)
org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:411)
org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:118)
org.apache.jasper.compiler.TagLibraryInfoImpl.<init>(TagLibraryInfoImpl.java:159)
org.apache.jasper.compiler.Parser.parseTaglibDirective(Parser.java:418)
org.apache.jasper.compiler.Parser.parseDirective(Parser.java:483)
org.apache.jasper.compiler.Parser.parseElements(Parser.java:1539)
org.apache.jasper.compiler.Parser.parse(Parser.java:126)
org.apache.jasper.compiler.ParserController.doParse(ParserController.java:220)
org.apache.jasper.compiler.ParserController.parse(ParserController.java:101)
org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:203)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:470)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:451)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:439)
org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:511)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:295)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
请问是什么原因啊? 小弟急啊
[em19]
我的tld文件中的部分内容
<short-name>examples</short-name>
<uri>/demotag</uri>
<description>
A simple tab library for the examples
</description>
<tag>
<name>hello</name>
<tag-class>com.jspdev.ch14.HelloTag</tag-class>
<body-content>empty</body-content>
<description>
Simple hello world examples.
Takes no attribute,and simply generates HTML
</description>
</tag>
我的jsp文件:
<%@ taglib uri="/demotag" prefix="example" %>
<%@ page contentType="text/html; charset=gb2312" language="java" %>
<html>
<head>
<title>first cumstomed tag</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
</head>
<body>
<p>以下的内容从Taglib中显示：</p>
<p><i><example:hello/></i></p>
</body>
</html>
我的xml文件中的部分内容:
<taglib>
<taglib-uri>/demotag</taglib-uri>
<taglib-location>/WEB-INF/tlds/mytag.tld</taglib-location>
</taglib>
出错信息:
type Exception report
message
description The server encountered an internal error () that prevented it from fulfilling this request.
exception
org.apache.jasper.JasperException: File "/demotag" not found
org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:50)
org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:411)
org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:118)
org.apache.jasper.compiler.TagLibraryInfoImpl.<init>(TagLibraryInfoImpl.java:159)
org.apache.jasper.compiler.Parser.parseTaglibDirective(Parser.java:418)
org.apache.jasper.compiler.Parser.parseDirective(Parser.java:483)
org.apache.jasper.compiler.Parser.parseElements(Parser.java:1539)
org.apache.jasper.compiler.Parser.parse(Parser.java:126)
org.apache.jasper.compiler.ParserController.doParse(ParserController.java:220)
org.apache.jasper.compiler.ParserController.parse(ParserController.java:101)
org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:203)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:470)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:451)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:439)
org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:511)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:295)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
请问是什么原因啊? 小弟急啊
[em19]
